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Unread 03-02-2007, 02:00 AM   #1
cj10
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Join Date: Mar 2007
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CJ10 conversion

Hi all this is my first post on here

I have 2 CJ10 jeeps one has a 316 rambler engine with a 727 torqueflight auto gearbox. The other has a 307 chevy with the original jeep 4 speed manual, I am looking at putting a late model fuel injected mottor (maybe an LS1 or 2) and was wondering if anyone has done a late model conversion into this model. My biggest hickup is i want a 4speed auto with overdrive, Does anyone know of a good box that will fit with minimal modification and without spending a bucket. I want to retain the use of 4 wheel drive also.

Thanks in advance for any replies

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Unread 03-02-2007, 03:05 AM   #2
NCCJ5ER
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1976 CJ5 
 
Join Date: Nov 2006
Location: Saint Marys, GA
Posts: 102
Post some pictures if you can...

Well I know very little about the 10 but by the pictures I have seen you should have enough wheel base to fit a 700R4 or 4L60E transmission behind the chevy engine. Unless the 307 needs to be replaced I would go to a salvage yard and find a TBI system off a late model Chevy truck with a V8 and one of the fore mentioned transmissions, look for one with a NP205 transfer case and you won't have to worry about an adapter. Then pull the TBI, wiring harness, transmission and transfer case, bolt them behind the 307 and install the TBI now you have a fuel injected Chevy with an overdrive transmission.

Check these guys out for some tips on the TBI install... http://www.bustedjeep.com/projects/junkyardtbi.asp

Look up the casting numbers on the 307 and see if it is the truck or car version, some of the car ones are worth some money to guys restoring old Chevy's. Not to mention the truck versions have a real stout bottom end but not much power.
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Last edited by NCCJ5ER; 03-02-2007 at 03:16 AM..
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Unread 03-02-2007, 06:10 AM   #3
high51977
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Join Date: Jan 2007
Location: Orono, ME
Posts: 731
Quote:
Originally Posted by cj10
Hi all this is my first post on here

I have 2 CJ10 jeeps one has a 316 rambler engine with a 727 torqueflight auto gearbox. The other has a 307 chevy with the original jeep 4 speed manual, I am looking at putting a late model fuel injected mottor (maybe an LS1 or 2) and was wondering if anyone has done a late model conversion into this model. My biggest hickup is i want a 4speed auto with overdrive, Does anyone know of a good box that will fit with minimal modification and without spending a bucket. I want to retain the use of 4 wheel drive also.

Thanks in advance for any replies
307 chevy? Chevy had a 305 and Olds had the 307 that they used in some chevy wagons bell pattern are the same but the parts are different and don't interchange IMO your best bet would be to find a doner vehicle that way you have all your computers and harnesses to make it work. Good luck and lets have some pics
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Unread 03-02-2007, 06:50 AM   #4
cj10
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thanks guys will post some pics soon do you know wether the 4l60E can be fitted to the original transfer case or do i have to get the whole thing from a late model chev truck, as i am in australia i dont think there will be many of these lying around

Cheers
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Unread 03-02-2007, 09:58 AM   #5
JoonHoss
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2011 JK Wrangler 
 
Join Date: Mar 2005
Location: Washington State
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Quote:
Originally Posted by high51977
307 chevy? Chevy had a 305 and Olds had the 307 ...
Chevrolet 'built' 10 different SBC configurations, 262, 265, 267(de-bored 305 motor), 283, 302, 305, 307, 327 , 350, and 400.

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Last edited by JoonHoss; 03-02-2007 at 10:20 AM..
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